In this article, we will go through 20 Useful Linux/Unix ssh-keygen command examples. ssh-keygen command is one of the most used Open source command in Linux Based Systems to generate Public/Private Key pair which can be used for authentication, passwordless login and in many more use cases. You will see this tool available by default ... Read more
In this article, I am show you how to resolve "host key verification Failed" error in Linux. I am sure many of you uses ssh protocol to access remote host in Linux. Many of you also have observed this "host key verification failed" error while trying to connect remote server through ssh based commands. This ... Read more
In this article, I will explain how to check timezone in Linux using 4 Easy Methods. System time is usually defined by timezone. You might be aware that entire globe is divided into multiple timezones which determines its local time. You can see the use of same timezone in your System for various purposes. Timezone ... Read more
In this article, I will take you through 31 Useful grep command examples in Linux/Unix. grep is an open source tool that can be used for searching text/word/strings from files and directories in Linux and Unix based Operating Systems. It is one of the best searching tool currently in use. This tool also provides us ... Read more
In this article, I will take you through the steps to Install iperf and perform network throughput test in Linux (RHEL/CentOS 7/8). In many occasions you might have observed that Organization want to test their Network performance to understand the bandwidth limit and troubleshooting other network issues both from Server as well as from Client ... Read more
In this article, I will take you through different iproute2 tools examples to manage Network Connections in Linux. You might have used tools from net-tools package to manage your kernel static routes and manage other Network related infrastructure but over the time it has become obsolete now since its development stopped long back and now ... Read more
In this article, we will look into 25 Popular Linux IP Command Examples and how to check Linux IP Address. If you are a Linux Professional then you might be aware of ifconfig command which is around from past many years as part of net-tools package. Similarly other net-tools packages command like route is also ... Read more
In this article, I will take you through 11 Best Linux route command examples. Linux route command is used to manage Kernel IP routing tables. When we say route then we are only talking about static routes which can be manipulated using route command and not the dynamic routes. You might be frequently using this ... Read more
In this article, I will take you through 11 Useful Linux date command examples. date is an important Linux command frequently used to set System date and time. You might have encountered few cluster based set up where each and every node needs to be in date and time sync with each other to be ... Read more
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In this article, I will take you through Popular 30 Elasticsearch Interview questions and answers for beginners/Freshers. Elasticsearch is now frequently used by Organizations for searching, analyzing and managing large volumes of data. Hence it is absolutely necessary for anyone trying to build his career in this tool to know about frequently asked Elasticsearch Interview ... Read more